Physics articles from across Nature Portfolio. Atom; RSS Feed; Definition. Physics is the search for and application of rules that can help us understand and predict the world around us.

This Section implements all activities of the IAEA's Water Resources Programme, which promotes and transfers know-how on the use of isotope hydrology as an effective tool for water resources ...

The Executive Board (the Board) is responsible for conducting the day-to-day business of the IMF. It is composed of 25 Directors, who are elected by member countries or by groups of countries, and the ...